topic

Code

Test2: Test program
Test2_stock: Implement the problem requirements

Test2

public class Test2 {
    public static void main(String[] args) {
        Test2_Stock s = new Test2_Stock("ORCL", "Oracle Corporation", 34.5, 34.35);
    }
}

Test2_Stock

public class Test2_Stock {
    String symbol;
    String name;
    double previousClosingPrice;
    double currentPrice;

    public Test2_Stock(String symbol, String name, double previousClosingPrice, double currentPrice){
        this.symbol = symbol;
        this.name = name;
        this.previousClosingPrice = previousClosingPrice;
        this.currentPrice = currentPrice;
        System.out.println((currentPrice - previousClosingPrice) / previousClosingPrice * 100 + "%");
    }
}

Uml diagram

Not uploading for the time being, it will be added in the future

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